USB: use function attribute __maybe_unused
Substitute USB instances of __attribute__ ((unused)) functions with the
newly introduced __maybe_unused.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/gadget/pxa2xx_udc.h b/drivers/usb/gadget/pxa2xx_udc.h
index 773e549..6b012e0 100644
--- a/drivers/usb/gadget/pxa2xx_udc.h
+++ b/drivers/usb/gadget/pxa2xx_udc.h
@@ -204,7 +204,7 @@
# define UDC_DEBUG DBG_NORMAL
#endif
-static void __attribute__ ((__unused__))
+static void __maybe_unused
dump_udccr(const char *label)
{
u32 udccr = UDCCR;
@@ -220,7 +220,7 @@
(udccr & UDCCR_UDE) ? " ude" : "");
}
-static void __attribute__ ((__unused__))
+static void __maybe_unused
dump_udccs0(const char *label)
{
u32 udccs0 = UDCCS0;
@@ -237,7 +237,7 @@
(udccs0 & UDCCS0_OPR) ? " opr" : "");
}
-static void __attribute__ ((__unused__))
+static void __maybe_unused
dump_state(struct pxa2xx_udc *dev)
{
u32 tmp;